IF YOUR WINE COULD CHOOSE A MUG, IT MUST BE CONVEND 100% Hand Blown-since 1960s Glass blowing is an ancient and magical art. Hand-blown high borosilicate glass is one of the important industries in my hometown. There are hundreds of factories here, and our artisans have been fashioning glass for generations. Every blowing master has more than 10 years' experience, They inject their soul into every product, let each artwork has its own unique charm. sorry，we are late. The dream of all beer lovers has come true - a Borosilicate Glass beer mug that cools the drink itself has appeared! Keep your beer chilled，with no dilution. With the freezing mug, there is no ice required anymore. Never water down your iced drink again when combined with these freezer glasses! Easy to use Put the freezer mug upside down in the freezer 2hours，then pour into the drink and wait for a while to serve Comfortable grip Each Convend pint cup features a handle for a comfortable grip. Not just for beer Keep any drink cold. Beer ,soda,milkshakes,tea and more!